M26 Pershing vs Japan
http://forum.axishistory.com/viewtopic. ... 3&t=161677
and
Operation Downfall
http://forum.axishistory.com/viewtopic. ... 3&t=167525
...but we now seem to have a definative answer from the Chicago boyz web log here:
History Friday: Secrets of the Pacific Warfare Board — Pershing Tanks for Operation Olympic
http://chicagoboyz.net/archives/43946.html
The key data from the link is in this photograph:
The new TOE for US Army Tank battalions to invade Japan was
- 2 companies (17 ea) M4A3 (76) HVSS
1 Comp.(17 ea). M26 Pershing
1 Comp (17 Ea) M24 Chaffee
6 ea. M4A3(105mm) for assault gun platoon plus company howitzer tank
plus 3 ea M4A3 (76) HVSS HQ tanks
Plus 10 ea M5-4 Flame tanks (M4A1E9) based in two provisional platoons of five